1002040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 2540160

約数和(自身を除く): 1538120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 47, 52, 65, 82, 94, 104, 130, 164, 188, 205, 235, 260, 328, 376, 410, 470, 520, 533, 611, 820, 940, 1066, 1222, 1640, 1880, 1927, 2132, 2444, 2665, 3055, 3854, 4264, 4888, 5330, 6110, 7708, 9635, 10660, 12220, 15416, 19270, 21320, 24440, 25051, 38540, 50102, 77080, 100204, 125255, 200408, 250510, 501020, 1002040]

約数ペア:

[(1, 1002040), (2, 501020), (4, 250510), (5, 200408), (8, 125255), (10, 100204), (13, 77080), (20, 50102), (26, 38540), (40, 25051), (41, 24440), (47, 21320), (52, 19270), (65, 15416), (82, 12220), (94, 10660), (104, 9635), (130, 7708), (164, 6110), (188, 5330), (205, 4888), (235, 4264), (260, 3854), (328, 3055), (376, 2665), (410, 2444), (470, 2132), (520, 1927), (533, 1880), (611, 1640), (820, 1222), (940, 1066)]